Which are the greatest common
factor and the least common
multiple of thenumbers 12 and 9?

a.

G.C.F. = 3; L..C.M. =
24

d.

G.C.F. = 1; L.C.M. =
108

b.

G.C.F. = 3; L.C.M. = 36

e.

G.C.F. = 3; L.C.M. = 27

c.

G.C.F. = 6; L.C.M. =
108

6.

Problem Solving – RIT 201 – 210Estimate the answer.If there are 10 slices in a pizza, and 23 children
want to order enough pizzasso they can each have 2 slices, about how many pizzas should they
order?

a.

5

d.

3

b.

23

e.

2

c.

10

7.

Trina went to the mall. She
bought a sweater for $15.00, a pair of shoesfor $25.00, and an ice cream cone for $2.00. How much
money did shespend?